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Alois Bittner
This old Bittner double bass was in for a full, major
restoration.
Among the many issues with this bass, it has a very thin top
upper bout, and has
suffered many cracks. A majority of the old cleats had failed and most of
the cracks had re-opened. After removing all of the cleats and soaking
apart all the cracks, a solution was used to clean the dirty wood so
that the newly joined cracks would be less visible.
Our clamping system puts the right amount of
tension at exactly the right spots along the cracks, while being of a light
enough weight to not distort the arch.
By employing thin, diamond shaped cleats we can get more
reinforcement along the length of the crack and not add proportionately more
mass that a larger, square cleat would. Also, the diamond shape allows us
to stagger the cleats in such a way that several cracks in close proximity can
all get the individual reinforcement they need.
Mistr A. Bittner Double Bass Repair
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